Subscribers don't churn — they fade. Engagement decays for nine months before a cancel-click ever lands.

Open-rate by months since signup

N = 48,210 paid readers · Cohort 2023-Q3

Open rate (% of issues) Active reading minutes Industry median

This is the Slavic Firebird Folklore design system, applied by Curio Design — a design-style library for AI agents. Full Slavic Firebird Folklore guide → designbycurio.com/learn/slavic-firebird-bilibin